Mountfield 4140H Bedienerhandbuch PDF herunterladen (Seite 12)

ENGLISH

4 DESCRIPTION

4.1 TRANSMISSION

4.1.1 4140H, 4155H

The machine is rear wheel drive.

The rear axle is equipped with a hydrostatic

transmission with infinitely variable forward and

reverse gear ratios.

The rear axle is also equipped with a differential to

facilitate turning.

Front mounted tools are driven by drive belts.

4.1.2 4155H 4WD

The machine has 4-wheel drive. The power from

the engine to the drive wheels is transferred

hydraulically. The engine drives an oil pump,

which pumps oil through the rear and front axle

drives.

The front axle and rear axle are connected in

series, which means that the front wheels and rear

wheels are forced to rotate at the same speed.

To make turning easier, both axles are equipped

with differential.

Front-mounted implements are powered via drive

belts.

4.2 STEERING

The machine is articulated. This means that the

chassis is divided into a front and a rear section,

which can be turned in relation to each other.

The articulated steering means that the machine

can turn around trees and other obstacles with an

extremely small turning radius.

4.3 SAFETY SYSTEM

The machine is equipped with an electrical safety

system. The safety system interrupts certain

activities that can entail a danger of incorrect

manoeuvres.

For example, the engine can only be started if the

clutch-parking brake pedal is depressed.

The operation of the safety system must

always be checked every time before

use.

4.4 CONTROLS

4.4.1 Implement lifter, mechanical (8:A)

To switch between working position and transport

position:

1. Depress the pedal fully.

2. Release the pedal slowly.

4.4.2 Clutch-parking brake (8:B)

Never press the pedal while driving.

There is a risk of overheating in the

power transmission.

The pedal has the following

three positions:

•Released. The clutch is not

activated. The parking brake is

not activated.

• Depressed halfway. Forward drive disengaged.

The parking brake is not activated.

• Fully depressed. Forward drive disengaged.

The parking brake is fully activated but not

locked. This position is also used as emergency

brake.

4.4.3 Inhibitor, parking brake (8:C)

The inhibitor locks the “clutch-brake”

pedal in the depressed position. This

function is used to lock the machine on

slopes, during transport, etc., when the

engine is not running.

The parking brake must always be

released during operation.

Locking:

1. Depress the pedal (8:B) fully.

2. Move the inhibitor (8:C) to the right.

3. Release the pedal (8:B).

4. Release the inhibitor (8:C).

Unlocking:

Press and release the pedal (8:B).

4.4.4 Driving-service brake (8:F)

If the machine does not brake as

expected when the pedal is released, the

left pedal (8:B) should be used as an

emergency brake.

The pedal determines the gearing ratio between the

engine and the drive wheels (= the speed). When

the pedal is released, the service brake is activated.

1. Press the pedal forward –

the machine moves forward.

2. No load on the pedal – the

machine is stationary.

3. Press the pedal backward –

the machine reverses.

4. Reduce the pressure on the

pedal – the machine brakes.

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